​If you have pain on the bottom of your foot, it is common that the source is a pinched nerve in your low back. As this image shows, nerves L4, L5, and S1 send signals to the foot. You can have a compressed nerve that does NOT create back problems, but instead creates pain, numbness, or tingling on the bottom of the foot. The plantar fascia is connective tissue on the bottom of the foot, which, when tight, can also produce pain on the bottom of the foot. A McKenzie clinical evaluation diagnoses the true SOURCE of the problem - which leads to an individualized treatment plan. ​-- Laura